$400 parts plus 7 hrs labor for the crappy rear view camera we're all complianting about! Wht not get a aftermarket wireless unit for around $500, including better picture quality camera mount on your plate frame and a monitor?

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on order '08 E70 4.8i Alpine white, dark bamboo, ZSP,ZTP,ZPP,ZAV,ZPS,6FF,217,4UB,456,610,322,2LE,ZR C,ZCW,316,328,aero kit & roof base support
In my garage
'07 Mercedes-Benz R500w/PP02, AMG
Retired-'07 Acura MDX w/ sport, tech and entertainment package
Retired-'06 Lexus R400h w/Mark Levinson Audio, Rear Entertainment
Retired-'04 X5 3.0i Toledo Blue Metallic, Sand Beige w/Premium, Sport, Cold weather, Rear Climate, Premium sound, Xenon & Bluetooth